package com.sky.mapper;

import com.sky.entity.ShoppingCart;
import org.apache.ibatis.annotations.*;

import java.util.List;

@Mapper
public interface ShoppingCartMapper {

    /**
     * 根据套餐id或者是菜品id和口味进行购物车表查询
     * @return
     */
    ShoppingCart list(ShoppingCart shoppingCart);

    /**
     * 如果购物车有数据进行更新
     * @param shoppingCart
     */
    @Update("update shopping_cart set number = #{number}, amount = #{amount}  where id = #{id}")
    void update(ShoppingCart shoppingCart);

    /**
     * 添加购物车
     * @param shoppingCart
     */
    @Insert("insert into shopping_cart(name, image, user_id, dish_id, setmeal_id, dish_flavor, number, amount, create_time) " +
            "values (#{name}, #{image}, #{userId}, #{dishId}, #{setmealId}, #{dishFlavor}, #{number}, #{amount}, #{createTime})")
    void insert(ShoppingCart shoppingCart);

    /**
     * 查看购物车
     * @return
     */
    @Select("select * from shopping_cart where user_id = #{userId}")
    List<ShoppingCart> selectAll(ShoppingCart shoppingCart);


    /**
     * 删除购物车一条数据
     * @param shoppingCart
     */
    void deleteItem(ShoppingCart shoppingCart);

    /**
     * 清空购物车
     */
    @Delete("delete from shopping_cart where user_id = #{userId}")
    void deleteItems(ShoppingCart shoppingCart);

    /**
     * 查看单个购物车数据
     * @param shoppingCart
     * @return
     */
    Integer selectItem(ShoppingCart shoppingCart);

    /**
     * 更改购物车多个数据的项
     * @param shoppingCart
     */

    void updateNumber(ShoppingCart shoppingCart);
}
